CN218025673U - Fenton oxidation tower for wastewater treatment - Google Patents

Abstract

The utility model relates to the technical field of sewage treatment, which comprises a catalytic reactor, an oxidation reactor and a temporary water inlet storage tank, wherein a water inlet pipe is arranged between the temporary water inlet storage tank and the catalytic reactor; a primary filtering component and a secondary filtering component are sequentially arranged between the catalytic reactor and the oxidation reactor, a primary communicating pipe for communicating the catalytic reactor and the primary filtering component is arranged between the catalytic reactor and the primary filtering component, and a first dosing pipe for adding ferrous sulfate is communicated with the primary communicating pipe; a secondary communicating pipe for communicating the secondary filtering component and the oxidation reactor is arranged between the secondary filtering component and the oxidation reactor, and a second dosing pipe for adding hydrogen peroxide is communicated with the secondary communicating pipe. The utility model provides a traditional fenton oxidation reaction tower treatment effeciency low problem.

Description

Fenton oxidation tower for wastewater treatment

Technical Field

The utility model relates to a sewage treatment technical field, concretely relates to fragrant oxidation tower of waste water treatment.

Background

In the field of papermaking, a large amount of water resources are required, and waste water generated in the production process cannot be directly discharged and is generally required to be treated and then discharged.

At present, a chinese utility model patent with publication number CN207659165U discloses a fenton oxidation reaction tower device, which comprises a reaction tank body, wherein the reaction tank body comprises a water inlet section at the lower part and a reaction section at the upper part, an aerator is arranged at the junction of the water inlet section and the reaction section, the aerator comprises a plurality of concentric circular pipes, and aeration holes are formed on the concentric circular pipes; connect into water ring pipe on the lateral wall of water inlet section, be formed with the inlet opening on the ring pipe of intaking, the reaction section has set gradually hydrogen peroxide solution uniform distributor, ferrous sulfate uniform distributor and sulphuric acid uniform distributor from top to bottom, and hydrogen peroxide solution uniform distributor top is provided with the play water baffle, is formed with first delivery port on the play water baffle, and play water baffle top sets up a sawtooth weir, and the sawtooth weir end is provided with the second delivery port.

Although the conventional Fenton oxidation reaction tower can treat sewage, the treatment efficiency of the conventional Fenton oxidation reaction tower cannot meet the treatment requirement along with the increase of the demand of sewage treatment.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model provides a waste water treatment fenton oxidation tower to solve the problem that traditional fenton oxidation reaction tower treatment effeciency is low.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a Fenton oxidation tower for wastewater treatment,

the device comprises a catalytic reactor, an oxidation reactor and a temporary water inlet storage tank, wherein a water inlet pipe is arranged between the temporary water inlet storage tank and the catalytic reactor;

a primary filtering component and a secondary filtering component are sequentially arranged between the catalytic reactor and the oxidation reactor, a primary communicating pipe for communicating the catalytic reactor and the primary filtering component is arranged between the catalytic reactor and the primary filtering component, and a first dosing pipe for adding ferrous sulfate is communicated with the primary communicating pipe;

and a secondary communicating pipe for communicating the secondary filtering component and the oxidation reactor is arranged between the secondary filtering component and the oxidation reactor, and a second chemical feeding pipe for adding hydrogen peroxide is communicated with the secondary communicating pipe.

According to the technical scheme, the catalyst is added into the catalytic reactor so as to accelerate the regulation of water quality; an oxidant is arranged in the oxidation reactor, and the water inlet temporary storage pool is used for temporarily storing water to be treated; the water inlet temporary storage pool is communicated with the catalytic reactor through the water inlet pipe, and water in the water inlet temporary storage pool can be input into the catalytic reactor; the primary filtering component and the secondary filtering component are respectively used for carrying out primary filtering and high-precision filtering on water, and filtering pressure can be divided by adopting multi-stage filtering, so that the treatment efficiency is better improved; the first dosing pipe and the second dosing pipe are respectively used for adding ferrous sulfate and hydrogen peroxide into the pipeline, the ferrous sulfate and the hydrogen peroxide can play a good role in purifying, disinfecting and sterilizing water, and the water treatment efficiency can be well improved.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, a support table is arranged below the catalytic reactor, a sewage draining groove is formed in the upper surface of the support table, the oxidation reactor is arranged on the support table, the bottoms of the catalytic reactor and the oxidation reactor are communicated with sewage draining pipes, and the sewage draining pipes stretch into the sewage draining groove.

Through above-mentioned technical scheme, the brace table is used for supporting catalytic reactor and oxidation reactor, and the blow off pipe is arranged in discharging the pollutant in catalytic reactor and the oxidation reactor, and the blowdown groove is used for collecting the pollutant to carry out centralized processing to the pollutant.

Further, the primary filter assembly comprises a primary filter cartridge and a primary filter element, the primary filter cartridge is axially and horizontally arranged, the upper part of the primary filter cartridge is communicated with a primary liquid inlet pipe communicated with the primary communicating pipe, and the lower part of the primary filter cartridge is communicated with a primary liquid outlet pipe;

the axial both ends of elementary cartridge filter are respectively communicated with elementary intake pipe and elementary blow off pipe.

Through above-mentioned technical scheme, when elementary cartridge filter axial level set up, wherein elementary filter core also is the level setting, because the reason of gravity this moment, water can be down through elementary filter core, better improvement filtration efficiency.

Further, the secondary filter assembly comprises a secondary filter cylinder and a secondary filter element, the secondary filter cylinder is axially and vertically arranged, and the primary liquid outlet pipe is communicated with the secondary filter cylinder;

and the side wall of the secondary filter cylinder is communicated with a secondary liquid outlet pipe, and the secondary liquid outlet pipe is communicated with the oxidation reactor.

Through the technical scheme, the secondary filter cylinder is axially and vertically arranged, so that the secondary filter core in the secondary filter cylinder is also vertically arranged, and the liquid outlet pipe is communicated with the side wall; only when the liquid of secondary cartridge filter is in certain pressure of main road, water can pass through secondary filter core to improved filter fineness, getting rid of suspended solid and particulate matter that can be better.

Further, the one end intercommunication that the inlet tube stretched into the pond of keeping in of intaking has the intake pump, the intercommunication has the flowmeter on the inlet tube, the flowmeter below is provided with the concrete buttress, be provided with the support steel column that supports the flowmeter on the concrete buttress.

Through above-mentioned technical scheme, the flowmeter is arranged in detecting the water yield of circulation in the inlet tube to add the medicine volume and carry out the accuse, concrete buttress and support steel column are used for stable support flowmeter, so that the flowmeter can be more stable measure out the flow.

Furthermore, the top of the catalytic reactor and the top of the oxidation reactor are both provided with exhaust branch pipes, and the two exhaust branch pipes are both communicated with an exhaust main pipe.

Further, one side of the secondary filter cylinder, which is far away from the secondary liquid outlet pipe, is provided with a secondary air inlet pipe, and the bottom of the secondary filter cylinder is communicated with a secondary sewage discharge pipe.

Through above-mentioned technical scheme, secondary intake pipe can with compressed air intercommunication, adopts compressed air can blow off the mud that secondary cartridge filter filtered out from secondary blow off pipe department, and need not extra dismantlement postcleaning.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

1. the catalytic reactor and the oxidation reactor can be used for respectively carrying out catalytic reaction and oxidation reaction on impurities in water so as to accelerate flocculation of the impurities and carry out sterilization and disinfection on the water, and the water treatment efficiency is improved;

2. adopt elementary filtering component and secondary filtering component to carry out multistage filtration to water to utilize the effect of gravity and pressure to the filtration treatment of carrying out of the different precisions of impurity of water, further improvement filtration efficiency.

Drawings

FIG. 1 is a schematic view of the whole structure of a wastewater treatment Fenton oxidation tower provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the primary filter assembly and the secondary filter assembly according to the embodiment of the present invention.

1. A catalytic reactor; 2. an oxidation reactor; 3. a temporary water inlet storage tank; 4. a water inlet pipe; 5. a primary filtration assembly; 6. a secondary filter assembly; 7. a primary communicating pipe; 8. a first medicine adding pipe; 9. a secondary communicating pipe; 10. a second medicine feeding pipe; 11. a support table; 12. a sewage draining groove; 13. a blow-off pipe; 14. a primary filter cartridge; 15. a primary filter element; 16. a primary liquid inlet pipe; 17. a primary liquid outlet pipe; 18. a primary air inlet pipe; 19. a primary sewage draining pipe; 20. a secondary filter cartridge; 21. a secondary filter element; 22. a secondary liquid outlet pipe; 23. a water inlet pump; 24. a flow meter; 25. concrete buttress; 26. supporting a steel column; 27. an exhaust branch pipe; 28. an exhaust manifold; 29. a secondary air intake pipe; 30. and a secondary sewage draining pipe.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

Example (b):

referring to fig. 1, the wastewater treatment fenton oxidation tower comprises a catalytic reactor 1, an oxidation reactor 2 and a temporary water inlet storage tank 3, wherein water treated by the biological aerated filter is conveyed to the temporary water inlet storage tank 3 by a pipeline, and the temporary water inlet storage tank 3 can be used for temporarily storing water to be treated.

Referring to fig. 1, a water inlet pipe 4 is arranged between the temporary water inlet storage tank 3 and the catalytic reactor 1, the two groups of water inlet pipes 4 are communicated, one end of each water inlet pipe 4 is inserted into the temporary water inlet storage tank 3, one end of each water inlet pipe 4 extending into the temporary water inlet storage tank 3 is communicated with a water inlet pump 23, and water to be treated in the temporary water inlet storage tank 3 can be pumped and discharged into the catalytic reactor 1 through the water inlet pump 23; the water inlet pipe 4 is communicated with a flowmeter 24, a concrete buttress 25 is arranged on the ground below the flowmeter 24, a support steel column 26 is embedded in the concrete buttress 25, and the flowmeter 24 is supported through the support steel column 26.

Referring to fig. 1, the bottoms of the catalytic reactor 1 and the oxidation reactor 2 are both communicated with a sewage discharge pipe 13, a sewage discharge groove 12 is formed in the upper surface of the support table 11, one end of the sewage discharge pipe 13 is inserted into the sewage discharge groove 12, and sludge in the catalytic reactor 1 and the oxidation reactor 2 can be rapidly discharged through the sewage discharge pipe 13.

Referring to fig. 1 and 2, a primary filter assembly 5 and a secondary filter assembly 6 are sequentially arranged between a catalytic reactor 1 and an oxidation reactor 2, the primary filter assembly 5 comprises a primary filter cartridge 14 and a primary filter element 15, and the axial direction of the primary filter cartridge 14 is horizontally arranged; the upper part of the primary filter cylinder 14 is communicated with a primary liquid inlet pipe 16, one side of the catalytic reactor 1 facing the primary filter cylinder 14 is communicated with a primary communicating pipe 7, and one end of the primary communicating pipe 7 far away from the catalytic reactor 1 is fixedly communicated with the primary liquid inlet pipe 16 through a flange.

Referring to fig. 1 and 2, the two axial ends of the primary filter cartridge 14 are respectively communicated with a primary air inlet pipe 18 and a primary sewage draining pipe 19, and the primary air inlet pipe 18 can be connected with a compressed air source; the primary filter element 15 filters out suspended solid and particulate matter in water, then lets in compressed air to the primary intake pipe 18, and compressed air can blow the suspended solid and the particulate matter that filter out to elementary blow off pipe 19, and then makes suspended solid and particulate matter follow elementary blow off pipe 19 and discharge.

Referring to fig. 1 and 2, the secondary filter assembly 6 comprises a secondary filter cartridge 20 and a secondary filter cartridge 21, the secondary filter cartridge 20 being arranged axially vertically, the lower part of the primary filter cartridge 14 communicating with the primary effluent pipe 17; the primary effluent pipe 17 communicates with the top end of the secondary filter cartridge 20, the side wall of the secondary filter cartridge 20 communicates with a secondary effluent pipe 22, and the secondary effluent pipe 22 communicates with the oxidation reactor 2. A secondary communication tube 9 is provided between the secondary filter cartridge 20 and the oxidation reactor 2 to communicate the two.

Referring to fig. 1 and 2, a side of the secondary filter cartridge 20 facing away from the secondary effluent pipe 22 is communicated with a secondary inlet pipe 29, a bottom of the secondary filter cartridge 20 is communicated with a secondary blowdown pipe 30, and the secondary inlet pipe 29 is communicated with compressed air; the secondary filter element 21 in the secondary filter cartridge 20 can filter out suspended substances and particles in the water, and then the suspended substances and particles can be blown out of the secondary filter cartridge 20 by using compressed air; the secondary sewage drain 30 may be interfaced with a sewage collection pipe for centralized treatment of pollutants.

Referring to fig. 1, a first dosing pipe 8 is communicated with the primary communicating pipe 7, the first dosing pipe 8 is used for adding ferrous sulfate, ferrous ions are contained in the ferrous sulfate, and the first dosing pipe has a good flocculation purification effect and can play a good purification role; the secondary communicating pipe 9 is communicated with a second dosing pipe 10, the second dosing pipe 10 is used for adding hydrogen peroxide, and the hydrogen peroxide has the effects of sterilization and disinfection and can well remove partial organic matters in water.

Referring to fig. 1, exhaust branch pipes 27 are provided at the top of each of the catalytic reactor 1 and the oxidation reactor 2, the exhaust branch pipes 27 are communicated with an exhaust manifold 28, and the exhaust branch pipes 27 are communicated with an exhaust main pipe to rapidly exhaust gas generated in the catalytic reactor 1 and the oxidation reactor 2, so that the reaction in the catalytic reactor 1 and the oxidation reactor 2 can be stably and rapidly performed, thereby ensuring the efficiency of water treatment.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (7)

1. A Fenton oxidation tower for wastewater treatment,

the device is characterized by comprising a catalytic reactor (1), an oxidation reactor (2) and a temporary water inlet storage tank (3), wherein a water inlet pipe (4) is arranged between the temporary water inlet storage tank (3) and the catalytic reactor (1);

a primary filtering component (5) and a secondary filtering component (6) are sequentially arranged between the catalytic reactor (1) and the oxidation reactor (2), a primary communicating pipe (7) for communicating the catalytic reactor (1) and the primary filtering component (5) is arranged between the catalytic reactor (1) and the primary filtering component, and a first dosing pipe (8) for adding ferrous sulfate is communicated with the primary communicating pipe (7);

a secondary communicating pipe (9) for communicating the secondary filtering component (6) and the oxidation reactor (2) is arranged between the secondary filtering component and the oxidation reactor, and a second dosing pipe (10) for adding hydrogen peroxide is communicated with the secondary communicating pipe (9).

2. The wastewater treatment Fenton oxidation tower according to claim 1, characterized in that a support table (11) is arranged below the catalytic reactor (1), a sewage discharge groove (12) is arranged on the upper surface of the support table (11), the oxidation reactor (2) is arranged on the support table (11), the bottoms of the catalytic reactor (1) and the oxidation reactor (2) are communicated with a sewage discharge pipe (13), and the sewage discharge pipe (13) extends into the sewage discharge groove (12).

3. The wastewater treatment Fenton oxidation tower according to claim 1, characterized in that the primary filter assembly (5) comprises a primary filter cylinder (14) and a primary filter element (15), the primary filter cylinder (14) is axially and horizontally arranged, the upper part of the primary filter cylinder (14) is communicated with a primary liquid inlet pipe (16) communicated with the primary communicating pipe (7), and the lower part of the primary filter cylinder (14) is communicated with a primary liquid outlet pipe (17);

the axial two ends of the primary filter cylinder (14) are respectively communicated with a primary air inlet pipe (18) and a primary sewage discharge pipe (19).

4. A wastewater treatment fenton oxidation tower according to claim 3, wherein the secondary filter assembly (6) comprises a secondary filter cartridge (20) and a secondary filter element (21), the secondary filter cartridge (20) being axially vertically arranged, the primary effluent pipe (17) being in communication with the secondary filter cartridge (20);

and the side wall of the secondary filter cylinder (20) is communicated with a secondary liquid outlet pipe (22), and the secondary liquid outlet pipe (22) is communicated with the oxidation reactor (2).

5. The wastewater treatment Fenton oxidation tower according to claim 1, wherein one end of the water inlet pipe (4) extending into the temporary water inlet storage tank (3) is communicated with a water inlet pump (23), the water inlet pipe (4) is communicated with a flow meter (24), a concrete buttress (25) is arranged below the flow meter (24), and a support steel column (26) for supporting the flow meter (24) is arranged on the concrete buttress (25).

6. The wastewater treatment Fenton oxidation tower according to claim 1, characterized in that the top of the catalytic reactor (1) and the top of the oxidation reactor (2) are both provided with an exhaust branch pipe (27), and the exhaust branch pipes (27) are both communicated with an exhaust main pipe (28).

7. A wastewater treatment Fenton oxidation column according to claim 4, characterized in that a secondary inlet pipe (29) is arranged at one side of the secondary filter cylinder (20) facing away from the secondary outlet pipe (22), and a secondary sewage drain (30) is communicated with the bottom of the secondary filter cylinder (20).

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